Trees

A tree is a plant that is characterised by its elongated stem, or trunk, supporting branches, and (in most species) leaves. Trees can vary greatly depending on geographic region and climate. Trees can live for a long time, some for thousands of years.

Trees absorb carbon dioxide during their growth and store it until they decay or are burned. This makes timber a sustainable material, as its net environmental impact is zero (excluding processing, transport etc impacts).

In case law a tree has been defined for planning purposes as anything that would ‘ordinarily be regarded as a tree. Thus, it would not include a shrub, a bush or scrub.’

Trees can be protected in law by tree preservation orders, or by being in a conservation area. In this case, a tree is considered to be a stem with a diameter of more than 75mm when measured at 1.5 metres up the stem. For more information see: Definition of tree for planning purposes.

Articles about trees on Designing Buildings Wiki include:

• 11 things you didn't know about wood.
• A guide to the use of urban timber FB 50.
• Ancient Woodland.
• Bamboo.
• Birch wood.
• Carpentry.
• Cedar.
• Chain of custody.
• Cherry.
• Chip carving.
• CIBSE Case Study Trees of Knowledge
• Confederation of Timber Industries.
• Cross-laminated timber.
• Definition of tree for planning purposes.
• Engineered bamboo.
• European Union Timber Regulation.
• Forest ownership.
• Forest Stewardship Council.
• Forests.
• Glulam.
• Green timber.
• Hardwood.
• Hardwood.
• Laminated veneer lumber LVL.
• Lime wood.
• Mahogany.
• Oak.
• Oriented strand board.
• Padauk wood.
• Permission for felling or lopping a tree.
• Physical Properties of Wood.
• Plywood.
• Programme for the Endorsement of Forest Certification.
• Properties of mahogany.
• Protected species.
• Rain garden.
• Recognising wood rot and insect damage in buildings.
• Sapele wood.
• Softwood.
• Sustainable timber.
• Sycamore.
• Testing timber.
• The benefits of urban trees
• The differences between hardwood and softwood.
• The use of timber in construction.
• Timber construction for London.
• Timber frame.
• Timber framed buildings and fire.
• Timber preservation.
• Timber vs wood.
• Timber.
• Tree dripline.
• Tree hazard survey.
• Tree preservation order.
• Tree rights.
• Tree root subsidence.
• Trees in conservation areas
• Tulipwood.
• Types of timber.